html,body{
		height:100%;
		min-height:630;
		min-width: 800px;
	}
	
	.row{
		display: table;
		width: 100%;	
	}
	
	.col{
		display: table-cell;
	}
	
	.word::before{
		width: 2em;
		height: 2em;
		content: "";
		display: inline-block;
		vertical-align: middle;
		
		background-position: center;
		background-size: contain;
	}
	
	
	#username{
		width: 100%;
		background:url("/image/login/User.png") no-repeat 0 0;
		background-position: 10px 8px; 
		background-color: white;
		padding-left:15%;
	} 
	 
	#password{
		width: 100%;
		background:url("/image/login/Locked.png") no-repeat 0 0;
		background-position: 10px 8px; 
		background-color: white;
		padding-left:15%;
		margin-top: 15px;
	}
	
	#code{
		width: 100%;
		background:url("/image/login/Code.png") no-repeat 0 0;
		background-position: 10px 8px; 
		background-color: white;
		padding-left:15%;
		margin-top: 15px;
	}
	#btn{
		width: 100%;
		margin-top: 18px;
	}
	#btn2{
		width: 100%;
		margin-top: 13px;
	}